Подстановка условия
[src]
(2*p - m)^2 - (p + 2*m)^2 при p = 1/2
2 2
(2*p - m) - (p + 2*m)
$$\left(- m + 2 p\right)^{2} - \left(2 m + p\right)^{2}$$
2 2
(m - 2*p) - (p + 2*m)
$$\left(m - 2 p\right)^{2} - \left(2 m + p\right)^{2}$$
$$p = \frac{1}{2}$$
2 2
(m - 2*(1/2)) - ((1/2) + 2*m)
$$\left(- 2 (1/2) + m\right)^{2} - \left((1/2) + 2 m\right)^{2}$$
2 2
(m - 2*1/2) - (1/2 + 2*m)
$$\left(m - 1\right)^{2} - \left(2 m + \frac{1}{2}\right)^{2}$$
2 2
(-1 + m) - (1/2 + 2*m)
$$\left(m - 1\right)^{2} - \left(2 m + \frac{1}{2}\right)^{2}$$
(-1 + m)^2 - (1/2 + 2*m)^2